
public class Demo8 {
    public static void main(String[] args) {
        Thread t1=new Thread(()->{
            while(true){
                System.out.println("hello thread1");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"thread t1");
        t1.start();

        Thread t2=new Thread(()->{
            while(true){
                System.out.println("hello thread2");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"thread t2");
        t2.start();
    }

}
